Whenever you are doing a full backup and DumpPreShareCmd fails, I get the
following error in my log:
Can't call method "getStats" on an undefined value at
/usr/share/BackupPC/bin/BackupPC_dump line 1160.
I posted a similar bug report back in December, but now I believe I
have figured out the problem.
------------------------------------------------------------------------
IF DumpPreShareCmd or DumpPreUserCmd fails, then the routine
BackupFailCleanup is called. In the case of a *full* backup, the
routine checks to see if there is a partial backup that needs to be
saved. In particular, the following 'if' statement (line 1160) is
executed:
if ( $nFilesTotal == 0 && $xfer->getStats->{fileCnt} == 0 ) {
This gives the above error since $xfer is only defined *after* the pre
commands are executed and hence remains undefined when a pre command
fails.
A potential solution would be to change line 1159 from:
if ( $type eq "full" ) {
To
if ( $type eq "full" && defined($xfer)) {
I am actually surprised that no one else has encountered this bug
since it should be rather common since if my analysis is correct then
it will occur *every* time one of the pre user commands fails on a full
backup.
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